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Preparation and superconductivity of the co-doped superconductor Nd2−x−yCayCexCuO4 with T′ structure |
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| Authors: | G C Che B Yin S L Jia S Q Guo H Chen F Wu C Dong Z X Zhao |
| Institution: | Institute of Physics, Chinese Academy of Sciences, National Laboratory for Superconductivity, Beijing, 100080, China |
| Abstract: | The preparation and superconductivity of the co-doped superconductor Nd2?x?yCayCexCuO4 with T′ structure were studied by XRD and superconductivity measurements. The results indicate that the effect of the co-doping of Ca2+ and Ce4+ on TO and the carrier type is not significant, but the effect on the range of the superconducting compositions in this system is obvious. The study of co-doped superconductors could be important for an understanding of the effect of co-doping on the carrier concentration and to explore new superconductors. |
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